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We analyzed the relationship between daily high temperature and mortality in Kyushu, Japan, 1972-1990. Mortality rate was obtained by dividing the number of deaths in a certain daily high temperature category by person-days in the same category. The results were as follows: (1) With daily high temperature on the x-axis and mortality rate on the y-axis, the… (More)
We investigated application of the OS-EM method to the (123)I-IMP ARG method to measure regional cerebral blood flow (rCBF). First, scan time and subsets were fixed at 20 min and 16, respectively, and the influence of iteration on the CCF and quantitative rCBF values obtained by the ARG method was investigated when the iteration number was set at 2, 4, 8,… (More)
Sensitive in-situ measurement systems for differential absorption and photoluminescence were developed to evaluate E' center, ODC(II), and NBOHC. The change of their concentrations by ArF irradiation were successfully observed in highly transparent synthetic silica glass.